onsemi

LM2575D2T-3.3R4

LM2575D2T-3.3R4 Description

The LM2575D2T-3.3R4 is a fixed-output voltage regulator from onsemi, designed for applications requiring a stable 3.3V output at up to 1A of current. This regulator operates within an input voltage range of 4.75V to 40V, making it suitable for a wide variety of power supply needs. It employs a buck topology with a switching frequency of 52kHz, ensuring efficient power conversion. The LM2575D2T-3.3R4 is housed in a D2PAK-5 package and is available in tape and reel format, facilitating surface mount assembly.

LM2575D2T-3.3R4 Features

• Fixed Output Voltage: The LM2575D2T-3.3R4 provides a stable 3.3V output, ideal for applications requiring a consistent power supply.
• Wide Input Voltage Range: With an input voltage range from 4.75V to 40V, this regulator can accommodate various input sources, enhancing its versatility.
• High Output Current: Capable of delivering up to 1A of output current, it supports demanding applications that require significant power.
• Efficient Buck Topology: Utilizing a buck topology with a switching frequency of 52kHz, the regulator ensures efficient power conversion and minimal energy loss.
• Surface Mount Package: The D2PAK-5 package is designed for surface mount technology, enabling compact and reliable integration into modern electronic designs.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the LM2575D2T-3.3R4 is suitable for a wide range of manufacturing environments.
• Compliance: The regulator is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

LM2575D2T-3.3R4 Applications

The LM2575D2T-3.3R4 is well-suited for a variety of applications where a stable 3.3V power supply is required. Some specific use cases include:

• Embedded Systems: Providing a reliable power source for microcontrollers, sensors, and other low-power electronics.
• Telecommunications: Powering components in base stations, routers, and other communication equipment.
• Industrial Control: Supplying power to PLCs, actuators, and other industrial devices.
• Consumer Electronics: Used in devices such as smartphones, tablets, and other portable electronics.
• Automotive Electronics: Suitable for in-vehicle infotainment systems, ECUs, and other automotive applications.

Conclusion of LM2575D2T-3.3R4

The LM2575D2T-3.3R4 from onsemi is a robust and versatile fixed-output voltage regulator designed to meet the demands of modern electronic systems. Its wide input voltage range, high output current capability, and efficient buck topology make it an excellent choice for a variety of applications. The D2PAK-5 package and surface mount compatibility ensure easy integration into compact designs. Despite its obsolete status, the LM2575D2T-3.3R4 remains a reliable option for engineers seeking a stable 3.3V power solution.